There are several advantages of having a 20 litre waterproof bag. Let’s take you step by step, type by type, and find the best 20 litre waterproof bag for you.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Marchway 20 Litre Waterproof Bag READ REVIEW

Best For Travel: Buy: Earth Pak 20 Litre Waterproof Bag READ REVIEW

Best For Tubing: Buy: Omgear 20 Litre Waterproof Bag READ REVIEW

Best For Small Size: Buy: Bear Outdoor 20 Litre Waterproof Bag READ REVIEW

Best For Beach Towel: Buy: Skog Å Kust 20 Litre Waterproof Bag READ REVIEW

Best For Beach: Buy: Heeta 20 Litre Waterproof Bag READ REVIEW

Best For Great Price: Buy: Wise Owl Outfitters 20 Litre Waterproof Bag READ REVIEW

Best For Thick Plastic: Buy: Procase 20 Litre Waterproof Bag READ REVIEW

Best For Rookie Life: Buy: Nuirapa 20 Litre Waterproof Bag READ REVIEW

Best For Lifetime Warranty: Buy: Oceanonline 20 Litre Waterproof Bag READ REVIEW

Best For Easy Use: Buy: Simpeak 20 Litre Waterproof Bag READ REVIEW

Best For Key: Buy: Easthills Outdoors 20 Litre Waterproof Bag READ REVIEW

Best Overall: Marchway 20 Litre Waterproof Bag

Buy on Amazon

Marchway has been making outstanding bags for years, thanks to a combination of clever design and high-end materials. The Marchway 20 Litre Waterproof Bag is not specifically designed for diving, so do not submerge the bag fully under water for more than a couple of seconds. 5 liters to 40 liters to meet your demands on different occasions. Also, it comes with an adjustable and detachable shoulder strap suitable for different body types and various carrying styles.

The bag seals up easily. It works well with good quality material and has a good design. Lastly, the marchway 20 litre waterproof bag includes a single detachable strap for cross-body or over the shoulder carrying.

Most buyers quickly discovered that the bag was a great sized bag for a day trip kayaking on the lake. Also, they strongly agree that the bag is great for food storage and backpacking. Further, they say that this bag clipped on to the raft nicely for safety, and kept all contents bone dry. Obviously, this bag passed the test and had very satisfied buyers eager to share their experience.

• This is only open one time, on land.
• This allows for multiple sizes, remains dry, it cleans off easily and has a waterproof design.
• The 20l bag makes a great rv trailer with an electric tongue jack cover.
• This is designed for being completely submerged, and certainly not for long periods of time.

Best For Travel: Earth Pak 20 Litre Waterproof Bag

Buy on Amazon

Not everyone likes to purchase a bag for their regular use, but the Earth Pak 20 Litre Waterproof Bag would be an anomoly. The earth pak 20 litre waterproof bag is ideal for those long camping trips and distributes weight equally. The manufacturer says: Here at Earth Pak, our mission is to bring to market quality products that will help inspire and guide those who are eager to fulfill their craving to explore. Further, the bag is very spacious and it can be bought for good value.

The bag is made for flood conditions and it is great for nice color. In addition, it allows for ample amount and it is great for value for money. Most importantly, the earth pak 20 litre waterproof bag allows for air-tight protection against water/liquids.

Almost all customers found that the bag has good customer service if there is any problem. In addition, they strongly agree that the bag is easy to use and it keeps stuff inside dry. Furthermore, a few also found that the bag is a great bag to protect what's important. So, customers were very happy to recommend it to friends and would-be buyers.

• The dry bag certainly is n't compact, it packs down nicely.
• This is perfect for fitting in a canoe or kyack.
• This bag is a must-have for solo travelers.
• This provides protection from abrasion for screens, glass, and other expensive gear.

Best For Tubing: Omgear 20 Litre Waterproof Bag

Buy on Amazon

The Omgear 20 Litre Waterproof Bag's material feels more premium than its price would suggest. In addition, the omgear 20 litre waterproof bag is used for a several-day trip. Just put your gear in dry bags, grab top woven tape and roll down tightly 3 to 4 times and then plug in the buckle to complete the seal. The dry bag is made of floatable materials. Please do not use it as a floating device. Finally, the omgear 20 litre waterproof bag is available in 7 vibrant colors: grey, dark blue, black etc., so, it's likely one of your favorites is in the mix.

Most buyers agree that the bag is easy to wipe clean or rinse out. Moreover, a few strongly agree that the bag does make sense and yes, you can. Moreover, a few also found that the bag fits sun screen, two towels, a book or two (or three) and a few snacks very well.

• This is totally shmotally water proof when the top is folded over and clipped shut.
• The backpack straps make it easy to transport without being bulky.
• This is suitable for holding more clothes, diving flippers, survival gears, kettle.
• This can hold bigger items, like wetsuit,sssss diving boots, most kayaking or camping gear.

Best For Small Size: Bear Outdoor 20 Litre Waterproof Bag

Buy on Amazon

Bear Outdoor makes beautiful and great bags with classic and smartly chosen materials. The Bear Outdoor 20 Litre Waterproof Bag is extremely compact when not in use. Keeps your accessories dry while rafting, boating, kayaking, hiking, snowboarding, camping, fishing, canoeing and backpacking. Further, this provides a handy attachment point.

Most importantly, the bear outdoor 20 litre waterproof bag can be returned for money - back guarantee, It has prevent air and has a perfect design.

Almost all buyers quickly discovered that the bag includes a 3 foot adjustable strap that is also very sturdy and extremely convenient. In addition, a few strongly agree that the bag is easy to open and close. And, a few strongly agree that this is absolutely a heavy duty dry sack best used for water adventures rather than backpacking trips due to the weight. Overall, at the price, they believe that they got a steal of a deal with it.

• This is suitable for canoeing and car camping.
• This will provide a means of emergency flotation.
• This allows for comfortable carrying and fit for most body types.
• This is crafted with the ultimate lightweight & waterproof 250d PVC cloth, only weights 3.1oz.

Best For Beach Towel: Skog Å Kust 20 Litre Waterproof Bag

Buy on Amazon

We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate bag. The Skog Å Kust 20 Litre Waterproof Bag is exactly that - it's a simple bag that hits all the right notes. Moreover, the skog å kust 20 litre waterproof bag is good for water resistance, is breathable, it works for light weight and has a friendly design. Or attach the strap to your boat or kayak to keep your bag conveniently at hand. Also, it is made of quality material, it is very functional and has a floating design. Finally, the skog å kust 20 litre waterproof bag is available in grey 5l, navy blue, pink etc., so, it's likely one of your favorites is in the mix.

Almost all buyers quickly discovered that the bag works well. It is water resistant, not water proof. Also, a few strongly agree that the bag has kept everything inside dry....and it floats. Also, they also found that this bag is wonderfully designed with a zipper pocket on the front for easy access to the items most use.

• This can fit a couple of towels, phones, bathing suit, iphones, other small goods.
• This is great for keeping water both in and out.
• This comes with one detachable shoulder strap.
• This will inflate and needs to be re-armed.

Best For Beach: Heeta 20 Litre Waterproof Bag

Buy on Amazon

The Heeta 20 Litre Waterproof Bag has killer features for the price point. Also, the heeta 20 litrewaterproof bag makes for nice quality, is used for perfect size, It works great and has a compact design. Adjustable shoulder straps & handle for shoulder carrying and backpack, very convenient for different occasions, like boating, rafting, kayaking, swimming, mountaineering, etc. Also, this is perfect for the right size, kept dry, it is synthetic and has a sturdy design. Finally, the heeta 20litre waterproof bag looks amazing in orange color and is available in 10 other colorsso, we bet you will like one of these.

Almost all customers quickly discovered that the bag is a great bag for the lake, camping or vacation. Moreover, they also found that the bag is perfect for canoe or kayaking trips or even trips to the beach. Further, they strongly agree that the company covered the bag under warranty and sent a brand new bag. Consequently, buyers were very happy to recommend it to friends and would-be buyers.

• The dry bag, itself, works great for a day at the beach.
• The perfect water - proof bag to carry and protect the essentials.
• This is a gentle cleaner and helps keep the "plastic" from sticking to itself.
• This is perfect for underseat plane luggage.

Best For Great Price: Wise Owl Outfitters 20 Litre Waterproof Bag

Buy on Amazon

Next on the list, we've got yet another bag that manages to win our hearts. It's the Wise Owl Outfitters 20 Litre Waterproof Bag and it's widely considered as one of the most convenient bags you can buy. The wise owl outfitters 20 litre waterproofbag is designed to be worth every penny and it is submersible. See it's available in 1 pack or 3 packs and 3 different sizes. They do not let water in, they ’ll even float if they ’re not full.

The bag works perfectly, works with paddle boards and it allows for very light weight. Further, this comes with three sizes included in the set, you are covered. Lastly, the wise owl outfitters 20 litre waterproof bag works well for sleeping bags, is made of great material and it is flexible yet strong.

Almost all buyers agree that the bag includes three floating, fold-closed bags in 20, 10 and 5-liter sizes. In addition, they say that the bag is used for any occasion, from backpacking to days at the beach. Further, a few strongly agree that the 20 liter bag is big enough to hold only three towels.

• This comes with 2 high-quality aluminum tent stakes & 4 tie lines.
• This has saved some money and it is good for light weight.
• They are also super friendly on the email thread.
• They are a nice cloth material and not vinyl.

Best For Thick Plastic: Procase 20 Litre Waterproof Bag

Buy on Amazon

Best part: Procase 20 Litre Waterproof Bag costs comparatively low and it is available to ship in 24 hours. In addition, the procase 20 litre waterproof bag is suitable to keep contents dry in any wet situation where the bag is not submerged adjustable and removal shoulder strap. The dry sack can float on water when partially filled with air after being rolled and buckled, so you can track your gear easily, also it can double as a fishing tackle bag or travel bag. Further, it is easy to fold and unfold. Finally, the procase 20 litre waterproof bag is available in 2 different colors: black/blue and black.

"You can load them up and then lean on them to get all the air out and roll them up and then latch them. " - says, one customer. In short, the tone of buyers is very positive and we believe that the bag suits the purpose.

• They are light but also durable and compact.
• This comes with a long shoulder strap for bagpack carrying.
• This is made in the USA or imported.
• Made in the USA or imported.

Best For Rookie Life: Nuirapa 20 Litre Waterproof Bag

Buy on Amazon

The Nuirapa 20 Litre Waterproof Bag is capable of outshining several other bags featured in this list in overall features in its price range. The nuirapa 20 litrewaterproof bag could be used for flip flops, is really light, it is fully submersible and has a durable design. The reflective strips help let others meet you at the shortest time and protect your safety even if you are in the dark. These fold-closed bags come in 20 liter sizes, which is perfect for a week out without being bulky and bulky to carry.

Above all, the nuirapa 20litre waterproof bag is highly recommend, It comes with adjustable shoulder straps and has a good design.

Almost all customers quickly discovered that the bag is great for beaching jet skis. Also, a few say that it is hard to find a dry bag in a backpack form and this is perfect. Also, a few say that the bag is inexpensive, so no big deal. Therefore, customers were eager to recommend it to friends and would-be buyers.

• This kept dry, works for light weight, it is submersible and has a floating design.
• This works for the rookie life without breaking the bank.
• Works as storage bag or auxiliary floating life preserver.

Best For Lifetime Warranty: Oceanonline 20 Litre Waterproof Bag

Buy on Amazon

Oceanonline 's line of bags comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Oceanonline 20 Litre Waterproof Bag is very rugged and it is good for changing of clothes. Just drop your gear in the main bag, grab the roll top bar, roll down tightly 3 to 5 times and clip the closure to complete the seal. Further, it can be bought for good value, is solid and it is effective.

The bag is yellow and it is very functional. Above all, the oceanonline 20 litre waterproofbag fits a towel, is perfect for light weight and it is super quick.

Almost all customers quickly discovered that the bag was perfect for boating, the beach, the pool, kayaking, fishing. And, a few strongly agree that the bag reduces pawing through the main compartment for small, frequently retrieved content. And, they strongly agree that the bag comes with a free phone bag.

• This comes with a lifetime warranty against manufacturer defects.
• This is completely waterproof and it has features for very good quality.
• It is easy to wipe clean with soap and water, no need for machine washing.
• This is suitable for phones up to 6.5 inches diagonal screen size.

Best For Easy Use: Simpeak 20 Litre Waterproof Bag

Buy on Amazon

Simpeak is known for creating pragmatic and minimalist bags for people on the go, and its line of Simpeak 20 Litre Waterproof Bags definitely falls in line with that reputation. The simpeak 20 litre waterproof bag is great for easy use and it allows for a large capacity. Make sure you have the bag tight before submerging it in the water. Moreover, the bag comes with 1x waterproof bag (20l) + 1x waterproof waist pouch + 1x waterproof phone case.

The bag comes with an extra long removable and adjustable shoulder sling for easy carrying. Further, it is made of PVC 500d thickness waterproof fabric, with good air tightness and waterproof performance. Finally, the simpeak 20 litre waterproof bag fits comfortably on all body types.

• Before first use, please perform a bag leak test.
• This can be used in almost all water sports such as swimming, boating, surfing, etc.
• Good investment for the long term.

Best For Key: Easthills Outdoors 20 Litre Waterproof Bag

Buy on Amazon

If you want nothing but a bag that is reliable, this Easthills Outdoors 20 Litre Waterproof Bag is certainly a wise investment. The easthills outdoors 20 litre waterproof bag is thoughtful and it has proven durability. To keep your gear dry, no matter the conditions. And, this is perfect for packing small possessions for short trip.

Most importantly, the easthills outdoors 20 litre waterproof bag fits well for large sizes and it is perfect for multiple sizes.

• To say it's not enough for a dry bag backpack to be weatherproof.
• This is compatible with iphone 13 pro, 13 pro max and other phone devices.
• Your heavy duty dry bag has one key function.
• Manufacturer says: Additionally, our carabiner allows easy hanging and storage.